发明名称 Stretch wrapped braking apparatus
摘要 An improvement in a stretch wrapped braking apparatus used to restrict a roll of stretch material on a single roller stretch wrapping apparatus. The improved brake uses a modified controlled magnetic motor to impart braking effect indirectly to the roll of stretch material as it is pulled therefrom by a rotating load to be wrapped.
申请公布号 US4991381(A) 申请公布日期 1991.02.12
申请号 US19890362849 申请日期 1989.06.07
申请人 LIBERTY INDUSTRIES 发明人 SIMONS, ROBERT B.
分类号 B65B11/04 主分类号 B65B11/04
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